1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Cavium, Inc 3 */ 4 5 #include <stdint.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 #include <unistd.h> 9 10 #include <rte_atomic.h> 11 #include <rte_common.h> 12 #include <rte_ethdev_driver.h> 13 #include <rte_ether.h> 14 #include <rte_log.h> 15 #include <rte_mbuf.h> 16 #include <rte_prefetch.h> 17 18 #include "octeontx_ethdev.h" 19 #include "octeontx_rxtx.h" 20 #include "octeontx_logs.h" 21 22 uint16_t __rte_hot 23 octeontx_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) 24 { 25 int count; 26 struct octeontx_txq *txq = tx_queue; 27 octeontx_dq_t *dq = &txq->dq; 28 int res; 29 30 count = 0; 31 32 rte_cio_wmb(); 33 while (count < nb_pkts) { 34 res = __octeontx_xmit_pkts(dq->lmtline_va, dq->ioreg_va, 35 dq->fc_status_va, 36 tx_pkts[count]); 37 if (res < 0) 38 break; 39 40 count++; 41 } 42 43 return count; /* return number of pkts transmitted */ 44 } 45 46 uint16_t __rte_hot 47 octeontx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) 48 { 49 struct octeontx_rxq *rxq; 50 struct rte_event ev; 51 size_t count; 52 uint16_t valid_event; 53 54 rxq = rx_queue; 55 count = 0; 56 while (count < nb_pkts) { 57 valid_event = rte_event_dequeue_burst(rxq->evdev, 58 rxq->ev_ports, &ev, 59 1, 0); 60 if (!valid_event) 61 break; 62 rx_pkts[count++] = ev.mbuf; 63 } 64 65 return count; /* return number of pkts received */ 66 } 67